COSIX vs. RPIEX
COSIX (Columbia Strategic Income Fund) and RPIEX (T. Rowe Price Dynamic Global Bond Fund) are both Nontraditional Bonds funds. Over the past 10 years, COSIX returned 3.60%/yr vs 2.32%/yr for RPIEX. At a correlation of -0.19, they often move in opposite directions. COSIX charges 0.92%/yr vs 0.71%/yr for RPIEX.
Performance
COSIX vs. RPIEX - Performance Comparison
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Returns By Period
In the year-to-date period, COSIX achieves a 1.54% return, which is significantly lower than RPIEX's 3.29% return. Over the past 10 years, COSIX has outperformed RPIEX with an annualized return of 3.60%, while RPIEX has yielded a comparatively lower 2.32% annualized return.
COSIX
- 1D
- -0.09%
- 1M
- 0.87%
- YTD
- 1.54%
- 6M
- 1.63%
- 1Y
- 4.65%
- 3Y*
- 6.36%
- 5Y*
- 1.85%
- 10Y*
- 3.60%
RPIEX
- 1D
- 0.00%
- 1M
- 1.00%
- YTD
- 3.29%
- 6M
- 4.66%
- 1Y
- 6.04%
- 3Y*
- 4.46%
- 5Y*
- 2.23%
- 10Y*
- 2.32%
COSIX vs. RPIEX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
COSIX Columbia Strategic Income Fund | 1.54% | 6.98% | 4.50% | 9.86% | -11.65% | 1.34% | 7.12% | 10.19% | -0.96% | 5.48% |
RPIEX T. Rowe Price Dynamic Global Bond Fund | 3.29% | 4.82% | 6.83% | -4.51% | 3.08% | 0.08% | 9.42% | -0.39% | 0.89% | -1.89% |
Correlation
The correlation between COSIX and RPIEX is -0.11, meaning they tend to move in opposite directions. This is especially valuable for risk management - when one declines, the other has historically tended to hold steady or rise.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | -0.11 |
Correlation (3Y) Calculated over the trailing 3-year period | -0.24 |
Correlation (5Y) Calculated over the trailing 5-year period | -0.31 |
Correlation (10Y) Calculated over the trailing 10-year period | -0.20 |
Correlation (All Time) Calculated using the full available price history since Jan 4, 2016 | -0.19 |
The correlation between COSIX and RPIEX shifts across timeframes, from -0.31 (5 years) to -0.11 (1 year), reflecting how their relationship changes across market environments.
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Return for Risk
COSIX vs. RPIEX — Risk / Return Rank
COSIX
RPIEX
COSIX vs. RPIEX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Columbia Strategic Income Fund (COSIX) and T. Rowe Price Dynamic Global Bond Fund (RPIEX). Risk-adjusted metrics are performance indicators that assess an investment's returns in relation to its risk, enabling a more accurate comparison of different investment options.
Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.
| COSIX | RPIEX | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +0.33 | ||
| Sortino ratioReturn per unit of downside risk | +0.25 | ||
| Omega ratioGain probability vs. loss probability | 1.30 | 1.30 | 0.00 |
| Calmar ratioReturn relative to maximum drawdown | 2.22 | 1.63 | +0.59 |
| Martin ratioReturn relative to average drawdown | 8.55 | 5.49 | +3.06 |
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Drawdowns
COSIX vs. RPIEX - Drawdown Comparison
The maximum COSIX drawdown since its inception was -27.69%, which is greater than RPIEX's maximum drawdown of -9.59%. Use the drawdown chart below to compare losses from any high point for COSIX and RPIEX.
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Drawdown Indicators
| COSIX | RPIEX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -27.69% | -9.59% | -18.10% |
Max Drawdown (1Y)Largest decline over 1 year | -2.21% | -3.64% | +1.43% |
Max Drawdown (3Y)Largest decline over 3 years | -4.17% | -3.64% | -0.53% |
Max Drawdown (5Y)Largest decline over 5 years | -16.88% | -9.59% | -7.29% |
Max Drawdown (10Y)Largest decline over 10 years | -16.88% | -9.59% | -7.29% |
Current DrawdownCurrent decline from peak | -0.18% | -0.13% | -0.05% |
Average DrawdownAverage peak-to-trough decline | -2.47% | -2.46% | -0.01% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 0.57% | 1.08% | -0.51% |
Volatility
COSIX vs. RPIEX - Volatility Comparison
The current volatility for Columbia Strategic Income Fund (COSIX) is 0.77%, while T. Rowe Price Dynamic Global Bond Fund (RPIEX) has a volatility of 1.03%. This indicates that COSIX experiences smaller price fluctuations and is considered to be less risky than RPIEX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| COSIX | RPIEX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 0.77% | 1.03% | -0.26% |
Volatility (6M)Calculated over the trailing 6-month period | 2.25% | 3.88% | -1.63% |
Volatility (1Y)Calculated over the trailing 1-year period | 2.92% | 4.40% | -1.48% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 4.56% | 4.91% | -0.35% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 4.17% | 4.19% | -0.02% |
COSIX vs. RPIEX - Expense Ratio Comparison
COSIX has a 0.92% expense ratio, which is higher than RPIEX's 0.71% expense ratio.
Dividends
COSIX vs. RPIEX - Dividend Comparison
COSIX's dividend yield for the trailing twelve months is around 4.98%, less than RPIEX's 7.51% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
COSIX Columbia Strategic Income Fund | 4.98% | 4.94% | 5.20% | 5.03% | 3.56% | 3.86% | 3.24% | 3.71% | 4.25% | 3.51% | 3.09% | 4.20% |
RPIEX T. Rowe Price Dynamic Global Bond Fund | 7.51% | 7.69% | 6.32% | 4.68% | 15.28% | 3.76% | 1.93% | 2.51% | 4.36% | 0.61% | 2.72% | 0.00% |
Frequently Asked Questions
COSIX and RPIEX have a correlation of -0.11, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
RPIEX has higher volatility (1.03%) compared to COSIX (0.77%). In terms of maximum drawdown, COSIX dropped -27.69% vs RPIEX's -9.59%.
COSIX currently has the higher Sharpe Ratio (1.68 vs 1.35), meaning it's delivered slightly more return per unit of risk over the trailing 12 months. However, this ranking shifts over time - use the Risk/Return Score above for a more comprehensive view that combines Sharpe, Sortino, and other measures used by quantitative funds.
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